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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
Sport Mufflers and CF Airbox | Gains: +166HP
The RENNtech R2 Performance Package is the evolution stage of the R1 Pkg
while the fit and finish meet AMG’s uncompromising standards
please contact our sales department prior to order
laptop or tablet needed
RENNtech HHT ECU Upgrade for ML 350 BlueTec (W166- 260 HP / 485 LB-FT) mercedes-benz-sl-class--230---2003-2006--sl-55-amg-kompressor-esr3404474 Sport Mufflers and CF AirboxRENNtech Hand Held Tuner ECU Upgrade for 166 ML 350 BlueTec. up to 253HP and 485LB FT. Gains: +20HP & +30LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.